Lipsticks: The microbial cellar: An original study

Siya, K; Thomas, Jubin; Kumar, Raj; Saji, Ajish M; Iype, Amal K; Akhil, S

doi:10.4103/jmau.jmau_14_19

Cited by 3 publications

(1 citation statement)

References 8 publications

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“…Using pyrosequencing analysis, a study detected 105 bacterial genera in 20 lipstick samples and Streptococcus were one of four genera predominant in 92% of the 19,863 total sequence reads while Staphylococcus, Pseudomonas, Escherichia a potentially pathogenic bacteria represented 27.6% of the total 105 genera. According to a recent study by Siya 2019, S. epidermidis represented 40% while S. aureus represented 32% from identified microorganisms 39 . S. epidermidis is responsible for biofilm formation in the prosthetic devices and implants 40 and S. aureus is involved in causing bacteremia in patients suffering from endocarditis and metastatic infections 41 .…”

Section: Study Of Biological Activitymentioning

confidence: 98%

Iron (II) Determination in Lipstick Samples using Spectrophotometric and Microfluidic Paper-based Analytical Device (µPADs) Platform via Complexation Reaction with Iron Chelator 1, 10-phenanthroline: A Comparative Study

Abdulkareem

Abdulsattar

2022

Baghdad Sci.J

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This study was undertaken to introduce a fast, accurate, selective, simple and environment-friendly colorimetric method to determine iron (II) concentration in different lipstick brands imported or manufactured locally in Baghdad, Iraq. The samples were collected from 500-Iraqi dinars stores to establish routine tests using the spectrophotometric method and compared with a new microfluidic paper-based analytical device (µPAD) platform as an alternative to cost-effective conventional instrumentation such as Atomic Absorption Spectroscopy (AAS). This method depends on the reaction between iron (II) with iron(II) selective chelator 1, 10-phenanthroline(phen) in the presence of reducing agent hydroxylamine (HOA) and sodium acetate (NaOAc) buffer to yield a reddish/orange colour change proportional to the iron(II) concentration measured at λ max = 510 nm. Under optimum conditions, the calibration curve was linear in the range between (0.5-150) mg L -1 with a limit of detection of 0.09 mg L -1 . Compared to a spectrophotometric detection method, µPAD measured colour intensity using captured images using Samsung mobile phone and image J program to give proof of concept that µPAD platform fulfils the purpose of accuracy and at the same time remaining cost-effective and simplistic to be used in both developing and developed countries gave same linear calibration curve with a limit of detection 0.12 mg L -1 . ANOVA test was used to compare the proposed method results with conventional method results showing the method was accepted. The antimicrobial activity showed no significant effect from lipstick samples on tested microbes.

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Section: Study Of Biological Activitymentioning

confidence: 98%

Iron (II) Determination in Lipstick Samples using Spectrophotometric and Microfluidic Paper-based Analytical Device (µPADs) Platform via Complexation Reaction with Iron Chelator 1, 10-phenanthroline: A Comparative Study

Abdulkareem

Abdulsattar

2022

Baghdad Sci.J

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Isolation and Identification of Microorganisms associated with high-quality and low-quality cosmetics from different brands in Mecca region -Saudi Arabia

Alshehrei

2023

Saudi Journal of Biological Sciences

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Health Risk Assessment of Some Heavy Metals in Lipsticks Sold in Local Markets in Iraq

MOHAMMED

AHMED²,

ORAİBİ

2023

Journal of the Turkish Chemical Society Section A: Chemistry

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Heavy metals found in cosmetics are a safety threat to the health of consumers. Therefore, in this study, we evaluated the levels of heavy metals such as cadmium (Cd), chromium (Cr), copper (Cu), lead (Pb), zinc (Zn), and arsenic (As) in lipstick makeup. The level of heavy metals in lipstick was discovered by using an analytical technique with high selectivity and sensitivity, namely atomic absorption spectrometry. Twenty lipsticks were selected from the same brands, yet differing in price. Ten original (expensive) and ten knockoff (cheap) lipsticks were chosen from shops in Diyala, Iraq. The detection-limit (LOD) was in between 0.01 and 0.1, the quantification-limit (LOQ) was within 0.03 and 0.33, the recovery values (Rec.%) ranged from 100.17% to 101.1%, the RE values were 0.81%, and the RSD values were 1.33%. The results also revealed that the levels of metals are in the order of Pb > Cd > Zn > Cu > As > Cr. However, the levels of heavy metals that were estimated in this study were less than the permissible limit set by the executive authorities, so there seems to be no concern associated with these heavy metals. However, the daily and frequent use of lipstick by women exposes them to low levels of toxic metals as these metals accumulate over time and pose adverse effects on the health of the users. The results of the hazard quotient (HQ) and health risk index (HI) indicate there was no harmful effect on human health related to heavy metals present in lipstick. Whereas the results of the biological activity of the samples indicated that there was no bacterial growth in expensive samples, cheap samples were contaminated with some types of organisms; this indicates poor quality.

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Lipsticks: The microbial cellar: An original study

Cited by 3 publications

References 8 publications

Iron (II) Determination in Lipstick Samples using Spectrophotometric and Microfluidic Paper-based Analytical Device (µPADs) Platform via Complexation Reaction with Iron Chelator 1, 10-phenanthroline: A Comparative Study

Iron (II) Determination in Lipstick Samples using Spectrophotometric and Microfluidic Paper-based Analytical Device (µPADs) Platform via Complexation Reaction with Iron Chelator 1, 10-phenanthroline: A Comparative Study

Isolation and Identification of Microorganisms associated with high-quality and low-quality cosmetics from different brands in Mecca region -Saudi Arabia

Health Risk Assessment of Some Heavy Metals in Lipsticks Sold in Local Markets in Iraq

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